Seagate Surveillance 3.5′, SATA 3G, 1TB Hard Drive

32CH DVR with real time 960H record and playback Stand-alone DVR; H.264; Maximum 4 HDD for recording;

16 Ch. AHD DVR

Seagate 3TB Surveillance SATA 64MB 3.5IN 6GB/S hard drive

8 Port DVR Recorder 8 Ch. 960H DVR; H.264; Video Input ; BNC; Video Output 1 channel BNC; 1 VGA output and 1 HDMI output, supports PTZ protocals, Max 2TB HDD, Network function, includes mouse. 8CH, BNC(1.0Vp-p, 75Ω) 1/4/8 1 TV, BNC(1.0V p-p, 75Ω), 1 VGA CIF 200/240FPS PAL / NTSC 8CH, RCA(200-2800mV,30KΩ) Play,Pause,Stop,Fast play,Slow play,full screen,backup 1CH, RCA(200-3000mV,5KΩ) Flash drive/USB HDD/CD-DVD RW/Network download 1/4/8 RJ-45 port(10/100M) 1024*768, 800*600 H.264/G711 2 SATA Ports, each port support max 4TB HDD or 1 DVD-RW

4 Port DVR Recorder 4 Ch. 960H DVR; H.264; Video Input ; BNC; Video Output 1 channel BNC; 1 VGA output and 1 HDMI output, supports PTZ protocals, Max 2TB HDD, Network function, includes mouse   4CH, BNC(1.0Vp-p, 75Ω) 1/4 1 TV, BNC(1.0V p-p, 75Ω), 1 VGA D1 100/120FPS PAL / NTSC 4CH, RCA(200-2800mV,30KΩ) 1CH, RCA(200-3000mV,5KΩ) 1/4 RJ-45 port(10/100M) H.264/G711 2 SATA Ports, each port support max 4TB HDD 2 USB Ports: 1 for mouse control, 1 for backup CH1~4 D1 (1~25/30FPS)